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Número de pieza
componentes Descripción
UPD75304BGC Ver la hoja de datos (PDF) - NEC => Renesas Technology
Número de pieza
componentes Descripción
Fabricante
UPD75304BGC
4-BIT SINGLE-CHIP MICROCOMPUTER
NEC => Renesas Technology
UPD75304BGC Datasheet PDF : 76 Pages
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µ
PD75304B,75306B,75308B
3.4 RECPMMENDED CONNECTION OF UNUSED PINS
5
Table 3-1 Connection of Unused Pins
Pin
P00/INT4
P01/SCK
P02/SO/SB0
P03/SI/SB1
P10/INT0-P12/INT2
P13/TI0
P20/PTO0
P21
P22/PCL
P23/BUZ
P30/LCDCL
P31/SYNC
P32
P33
P40 to P43
P50 to P53
P60/KR0 to P63/KR3
P70/KR4 to P73/KR7
S0 to S23
S24/BP0 to S31/BP7
COM0 to COM3
V
LC0
to V
LC2
BIAS
XT1
XT2
Recommended Connection
Connect to V
SS
Connect to V
SS
or V
DD
Connect to V
SS
Input state : Connect to V
SS
or V
DD
Outputstate : Leave open
Leave open
Connect to V
SS
Connect to V
SS
only when V
LC0
to V
LC2
are all unused; otherwise leave open
Connect to V
SS
or V
DD
Leave open
15
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